How serious are the consequences of global warming? That is the first question that needs answered. If sea levels rise 6 inches, what is the resultant reduction in gross domestic products around the world? Are there any non-monetary consequences and how do we value them?

Maybe we will find that the impact is not so catastrophic. At least for the next few hundred years. If that is the case, let's continue to do research and solve the problem with 23'rd century technology.